28927905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 19732575

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 345, 439, 573, 955, 1317, 2195, 2865, 4393, 6585, 10097, 13179, 21965, 30291, 50485, 65895, 83849, 151455, 251547, 419245, 1257735, 1928527, 5785581, 9642635, 28927905]

約数ペア:

[(1, 28927905), (3, 9642635), (5, 5785581), (15, 1928527), (23, 1257735), (69, 419245), (115, 251547), (191, 151455), (345, 83849), (439, 65895), (573, 50485), (955, 30291), (1317, 21965), (2195, 13179), (2865, 10097), (4393, 6585)]